20950860

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{601}}^1$

素因数の和:703

約数の個数: 96

約数和(自身を含む): 67963392

約数和(自身を除く): 47012532

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 83, 84, 105, 140, 166, 210, 249, 332, 415, 420, 498, 581, 601, 830, 996, 1162, 1202, 1245, 1660, 1743, 1803, 2324, 2404, 2490, 2905, 3005, 3486, 3606, 4207, 4980, 5810, 6010, 6972, 7212, 8414, 8715, 9015, 11620, 12020, 12621, 16828, 17430, 18030, 21035, 25242, 34860, 36060, 42070, 49883, 50484, 63105, 84140, 99766, 126210, 149649, 199532, 249415, 252420, 299298, 349181, 498830, 598596, 698362, 748245, 997660, 1047543, 1396724, 1496490, 1745905, 2095086, 2992980, 3491810, 4190172, 5237715, 6983620, 10475430, 20950860]

約数ペア:

[(1, 20950860), (2, 10475430), (3, 6983620), (4, 5237715), (5, 4190172), (6, 3491810), (7, 2992980), (10, 2095086), (12, 1745905), (14, 1496490), (15, 1396724), (20, 1047543), (21, 997660), (28, 748245), (30, 698362), (35, 598596), (42, 498830), (60, 349181), (70, 299298), (83, 252420), (84, 249415), (105, 199532), (140, 149649), (166, 126210), (210, 99766), (249, 84140), (332, 63105), (415, 50484), (420, 49883), (498, 42070), (581, 36060), (601, 34860), (830, 25242), (996, 21035), (1162, 18030), (1202, 17430), (1245, 16828), (1660, 12621), (1743, 12020), (1803, 11620), (2324, 9015), (2404, 8715), (2490, 8414), (2905, 7212), (3005, 6972), (3486, 6010), (3606, 5810), (4207, 4980)]